package com.sky.controller.user;

import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@Api(tags = "菜品接口")
@RestController("userDishController")
@RequestMapping("/user/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @GetMapping("/list")
    @ApiOperation("分类id获取菜品列表")
    public Result<List<DishVO>> getDishListByCategoryId(@RequestParam Long categoryId) {
        // 判断缓冲是否存在
        String key = "dish_" + categoryId;
        List<DishVO> dishVOList = (List<DishVO>) redisTemplate.opsForValue().get(key);

        if(dishVOList != null && dishVOList.size() > 0) {
            return Result.success(dishVOList);
        }


        List<DishVO> dishList = dishService.userGetDishByCategory(categoryId);
        // 存入缓冲
        redisTemplate.opsForValue().set(key, dishList);

        return Result.success(dishList);
    }
}
